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1 #ifndef __REDIS_H
2 #define __REDIS_H
3
4 #include "fmacros.h"
5 #include "config.h"
6
7 #if defined(__sun)
8 #include "solarisfixes.h"
9 #endif
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <time.h>
15 #include <limits.h>
16 #include <unistd.h>
17 #include <errno.h>
18 #include <inttypes.h>
19 #include <pthread.h>
20 #include <syslog.h>
21 #include <netinet/in.h>
22 #include <lua.h>
23 #include <signal.h>
24
25 #include "ae.h" /* Event driven programming library */
26 #include "sds.h" /* Dynamic safe strings */
27 #include "dict.h" /* Hash tables */
28 #include "adlist.h" /* Linked lists */
29 #include "zmalloc.h" /* total memory usage aware version of malloc/free */
30 #include "anet.h" /* Networking the easy way */
31 #include "ziplist.h" /* Compact list data structure */
32 #include "intset.h" /* Compact integer set structure */
33 #include "version.h" /* Version macro */
34 #include "util.h" /* Misc functions useful in many places */
35
36 /* Error codes */
37 #define REDIS_OK 0
38 #define REDIS_ERR -1
39
40 /* Static server configuration */
41 #define REDIS_HZ 100 /* Time interrupt calls/sec. */
42 #define REDIS_SERVERPORT 6379 /* TCP port */
43 #define REDIS_MAXIDLETIME 0 /* default client timeout: infinite */
44 #define REDIS_DEFAULT_DBNUM 16
45 #define REDIS_CONFIGLINE_MAX 1024
46 #define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */
47 #define REDIS_EXPIRELOOKUPS_TIME_PERC 25 /* CPU max % for keys collection */
48 #define REDIS_MAX_WRITE_PER_EVENT (1024*64)
49 #define REDIS_SHARED_SELECT_CMDS 10
50 #define REDIS_SHARED_INTEGERS 10000
51 #define REDIS_SHARED_BULKHDR_LEN 32
52 #define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */
53 #define REDIS_AOF_REWRITE_PERC 100
54 #define REDIS_AOF_REWRITE_MIN_SIZE (1024*1024)
55 #define REDIS_AOF_REWRITE_ITEMS_PER_CMD 64
56 #define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000
57 #define REDIS_SLOWLOG_MAX_LEN 128
58 #define REDIS_MAX_CLIENTS 10000
59 #define REDIS_AUTHPASS_MAX_LEN 512
60
61 #define REDIS_REPL_TIMEOUT 60
62 #define REDIS_REPL_PING_SLAVE_PERIOD 10
63
64 #define REDIS_RUN_ID_SIZE 40
65 #define REDIS_OPS_SEC_SAMPLES 16
66
67 /* Protocol and I/O related defines */
68 #define REDIS_MAX_QUERYBUF_LEN (1024*1024*1024) /* 1GB max query buffer. */
69 #define REDIS_IOBUF_LEN (1024*16) /* Generic I/O buffer size */
70 #define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */
71 #define REDIS_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */
72 #define REDIS_MBULK_BIG_ARG (1024*32)
73
74 /* Hash table parameters */
75 #define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */
76
77 /* Command flags. Please check the command table defined in the redis.c file
78 * for more information about the meaning of every flag. */
79 #define REDIS_CMD_WRITE 1 /* "w" flag */
80 #define REDIS_CMD_READONLY 2 /* "r" flag */
81 #define REDIS_CMD_DENYOOM 4 /* "m" flag */
82 #define REDIS_CMD_FORCE_REPLICATION 8 /* "f" flag */
83 #define REDIS_CMD_ADMIN 16 /* "a" flag */
84 #define REDIS_CMD_PUBSUB 32 /* "p" flag */
85 #define REDIS_CMD_NOSCRIPT 64 /* "s" flag */
86 #define REDIS_CMD_RANDOM 128 /* "R" flag */
87 #define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */
88 #define REDIS_CMD_LOADING 512 /* "l" flag */
89 #define REDIS_CMD_STALE 1024 /* "t" flag */
90
91 /* Object types */
92 #define REDIS_STRING 0
93 #define REDIS_LIST 1
94 #define REDIS_SET 2
95 #define REDIS_ZSET 3
96 #define REDIS_HASH 4
97
98 /* Objects encoding. Some kind of objects like Strings and Hashes can be
99 * internally represented in multiple ways. The 'encoding' field of the object
100 * is set to one of this fields for this object. */
101 #define REDIS_ENCODING_RAW 0 /* Raw representation */
102 #define REDIS_ENCODING_INT 1 /* Encoded as integer */
103 #define REDIS_ENCODING_HT 2 /* Encoded as hash table */
104 #define REDIS_ENCODING_ZIPMAP 3 /* Encoded as zipmap */
105 #define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */
106 #define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */
107 #define REDIS_ENCODING_INTSET 6 /* Encoded as intset */
108 #define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */
109
110 /* Defines related to the dump file format. To store 32 bits lengths for short
111 * keys requires a lot of space, so we check the most significant 2 bits of
112 * the first byte to interpreter the length:
113 *
114 * 00|000000 => if the two MSB are 00 the len is the 6 bits of this byte
115 * 01|000000 00000000 => 01, the len is 14 byes, 6 bits + 8 bits of next byte
116 * 10|000000 [32 bit integer] => if it's 01, a full 32 bit len will follow
117 * 11|000000 this means: specially encoded object will follow. The six bits
118 * number specify the kind of object that follows.
119 * See the REDIS_RDB_ENC_* defines.
120 *
121 * Lenghts up to 63 are stored using a single byte, most DB keys, and may
122 * values, will fit inside. */
123 #define REDIS_RDB_6BITLEN 0
124 #define REDIS_RDB_14BITLEN 1
125 #define REDIS_RDB_32BITLEN 2
126 #define REDIS_RDB_ENCVAL 3
127 #define REDIS_RDB_LENERR UINT_MAX
128
129 /* When a length of a string object stored on disk has the first two bits
130 * set, the remaining two bits specify a special encoding for the object
131 * accordingly to the following defines: */
132 #define REDIS_RDB_ENC_INT8 0 /* 8 bit signed integer */
133 #define REDIS_RDB_ENC_INT16 1 /* 16 bit signed integer */
134 #define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */
135 #define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */
136
137 /* AOF states */
138 #define REDIS_AOF_OFF 0 /* AOF is off */
139 #define REDIS_AOF_ON 1 /* AOF is on */
140 #define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */
141
142 /* Client flags */
143 #define REDIS_SLAVE 1 /* This client is a slave server */
144 #define REDIS_MASTER 2 /* This client is a master server */
145 #define REDIS_MONITOR 4 /* This client is a slave monitor, see MONITOR */
146 #define REDIS_MULTI 8 /* This client is in a MULTI context */
147 #define REDIS_BLOCKED 16 /* The client is waiting in a blocking operation */
148 #define REDIS_DIRTY_CAS 64 /* Watched keys modified. EXEC will fail. */
149 #define REDIS_CLOSE_AFTER_REPLY 128 /* Close after writing entire reply. */
150 #define REDIS_UNBLOCKED 256 /* This client was unblocked and is stored in
151 server.unblocked_clients */
152 #define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
153 #define REDIS_ASKING 1024 /* Client issued the ASKING command */
154 #define REDIS_CLOSE_ASAP 2048 /* Close this client ASAP */
155
156 /* Client request types */
157 #define REDIS_REQ_INLINE 1
158 #define REDIS_REQ_MULTIBULK 2
159
160 /* Client classes for client limits, currently used only for
161 * the max-client-output-buffer limit implementation. */
162 #define REDIS_CLIENT_LIMIT_CLASS_NORMAL 0
163 #define REDIS_CLIENT_LIMIT_CLASS_SLAVE 1
164 #define REDIS_CLIENT_LIMIT_CLASS_PUBSUB 2
165 #define REDIS_CLIENT_LIMIT_NUM_CLASSES 3
166
167 /* Slave replication state - slave side */
168 #define REDIS_REPL_NONE 0 /* No active replication */
169 #define REDIS_REPL_CONNECT 1 /* Must connect to master */
170 #define REDIS_REPL_CONNECTING 2 /* Connecting to master */
171 #define REDIS_REPL_TRANSFER 3 /* Receiving .rdb from master */
172 #define REDIS_REPL_CONNECTED 4 /* Connected to master */
173
174 /* Synchronous read timeout - slave side */
175 #define REDIS_REPL_SYNCIO_TIMEOUT 5
176
177 /* Slave replication state - from the point of view of master
178 * Note that in SEND_BULK and ONLINE state the slave receives new updates
179 * in its output queue. In the WAIT_BGSAVE state instead the server is waiting
180 * to start the next background saving in order to send updates to it. */
181 #define REDIS_REPL_WAIT_BGSAVE_START 3 /* master waits bgsave to start feeding it */
182 #define REDIS_REPL_WAIT_BGSAVE_END 4 /* master waits bgsave to start bulk DB transmission */
183 #define REDIS_REPL_SEND_BULK 5 /* master is sending the bulk DB */
184 #define REDIS_REPL_ONLINE 6 /* bulk DB already transmitted, receive updates */
185
186 /* List related stuff */
187 #define REDIS_HEAD 0
188 #define REDIS_TAIL 1
189
190 /* Sort operations */
191 #define REDIS_SORT_GET 0
192 #define REDIS_SORT_ASC 1
193 #define REDIS_SORT_DESC 2
194 #define REDIS_SORTKEY_MAX 1024
195
196 /* Log levels */
197 #define REDIS_DEBUG 0
198 #define REDIS_VERBOSE 1
199 #define REDIS_NOTICE 2
200 #define REDIS_WARNING 3
201 #define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */
202
203 /* Anti-warning macro... */
204 #define REDIS_NOTUSED(V) ((void) V)
205
206 #define ZSKIPLIST_MAXLEVEL 32 /* Should be enough for 2^32 elements */
207 #define ZSKIPLIST_P 0.25 /* Skiplist P = 1/4 */
208
209 /* Append only defines */
210 #define AOF_FSYNC_NO 0
211 #define AOF_FSYNC_ALWAYS 1
212 #define AOF_FSYNC_EVERYSEC 2
213
214 /* Zip structure related defaults */
215 #define REDIS_HASH_MAX_ZIPLIST_ENTRIES 512
216 #define REDIS_HASH_MAX_ZIPLIST_VALUE 64
217 #define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
218 #define REDIS_LIST_MAX_ZIPLIST_VALUE 64
219 #define REDIS_SET_MAX_INTSET_ENTRIES 512
220 #define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128
221 #define REDIS_ZSET_MAX_ZIPLIST_VALUE 64
222
223 /* Sets operations codes */
224 #define REDIS_OP_UNION 0
225 #define REDIS_OP_DIFF 1
226 #define REDIS_OP_INTER 2
227
228 /* Redis maxmemory strategies */
229 #define REDIS_MAXMEMORY_VOLATILE_LRU 0
230 #define REDIS_MAXMEMORY_VOLATILE_TTL 1
231 #define REDIS_MAXMEMORY_VOLATILE_RANDOM 2
232 #define REDIS_MAXMEMORY_ALLKEYS_LRU 3
233 #define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4
234 #define REDIS_MAXMEMORY_NO_EVICTION 5
235
236 /* Scripting */
237 #define REDIS_LUA_TIME_LIMIT 5000 /* milliseconds */
238
239 /* Units */
240 #define UNIT_SECONDS 0
241 #define UNIT_MILLISECONDS 1
242
243 /* SHUTDOWN flags */
244 #define REDIS_SHUTDOWN_SAVE 1 /* Force SAVE on SHUTDOWN even if no save
245 points are configured. */
246 #define REDIS_SHUTDOWN_NOSAVE 2 /* Don't SAVE on SHUTDOWN. */
247
248 /* Command call flags, see call() function */
249 #define REDIS_CALL_NONE 0
250 #define REDIS_CALL_SLOWLOG 1
251 #define REDIS_CALL_STATS 2
252 #define REDIS_CALL_PROPAGATE 4
253 #define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE)
254
255 /* Command propagation flags, see propagate() function */
256 #define REDIS_PROPAGATE_NONE 0
257 #define REDIS_PROPAGATE_AOF 1
258 #define REDIS_PROPAGATE_REPL 2
259
260 /* We can print the stacktrace, so our assert is defined this way: */
261 #define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
262 #define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
263 #define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1)
264
265 /*-----------------------------------------------------------------------------
266 * Data types
267 *----------------------------------------------------------------------------*/
268
269 /* A redis object, that is a type able to hold a string / list / set */
270
271 /* The actual Redis Object */
272 #define REDIS_LRU_CLOCK_MAX ((1<<21)-1) /* Max value of obj->lru */
273 #define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */
274 typedef struct redisObject {
275 unsigned type:4;
276 unsigned notused:2; /* Not used */
277 unsigned encoding:4;
278 unsigned lru:22; /* lru time (relative to server.lruclock) */
279 int refcount;
280 void *ptr;
281 } robj;
282
283 /* Macro used to initalize a Redis object allocated on the stack.
284 * Note that this macro is taken near the structure definition to make sure
285 * we'll update it when the structure is changed, to avoid bugs like
286 * bug #85 introduced exactly in this way. */
287 #define initStaticStringObject(_var,_ptr) do { \
288 _var.refcount = 1; \
289 _var.type = REDIS_STRING; \
290 _var.encoding = REDIS_ENCODING_RAW; \
291 _var.ptr = _ptr; \
292 } while(0);
293
294 typedef struct redisDb {
295 dict *dict; /* The keyspace for this DB */
296 dict *expires; /* Timeout of keys with a timeout set */
297 dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */
298 dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */
299 int id;
300 } redisDb;
301
302 /* Client MULTI/EXEC state */
303 typedef struct multiCmd {
304 robj **argv;
305 int argc;
306 struct redisCommand *cmd;
307 } multiCmd;
308
309 typedef struct multiState {
310 multiCmd *commands; /* Array of MULTI commands */
311 int count; /* Total number of MULTI commands */
312 } multiState;
313
314 typedef struct blockingState {
315 robj **keys; /* The key we are waiting to terminate a blocking
316 * operation such as BLPOP. Otherwise NULL. */
317 int count; /* Number of blocking keys */
318 time_t timeout; /* Blocking operation timeout. If UNIX current time
319 * is >= timeout then the operation timed out. */
320 robj *target; /* The key that should receive the element,
321 * for BRPOPLPUSH. */
322 } blockingState;
323
324 /* With multiplexing we need to take per-clinet state.
325 * Clients are taken in a liked list. */
326 typedef struct redisClient {
327 int fd;
328 redisDb *db;
329 int dictid;
330 sds querybuf;
331 size_t querybuf_peak; /* Recent (100ms or more) peak of querybuf size */
332 int argc;
333 robj **argv;
334 struct redisCommand *cmd, *lastcmd;
335 int reqtype;
336 int multibulklen; /* number of multi bulk arguments left to read */
337 long bulklen; /* length of bulk argument in multi bulk request */
338 list *reply;
339 unsigned long reply_bytes; /* Tot bytes of objects in reply list */
340 int sentlen;
341 time_t ctime; /* Client creation time */
342 time_t lastinteraction; /* time of the last interaction, used for timeout */
343 time_t obuf_soft_limit_reached_time;
344 int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
345 int slaveseldb; /* slave selected db, if this client is a slave */
346 int authenticated; /* when requirepass is non-NULL */
347 int replstate; /* replication state if this is a slave */
348 int repldbfd; /* replication DB file descriptor */
349 long repldboff; /* replication DB file offset */
350 off_t repldbsize; /* replication DB file size */
351 int slave_listening_port; /* As configured with: SLAVECONF listening-port */
352 multiState mstate; /* MULTI/EXEC state */
353 blockingState bpop; /* blocking state */
354 list *io_keys; /* Keys this client is waiting to be loaded from the
355 * swap file in order to continue. */
356 list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */
357 dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */
358 list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */
359
360 /* Response buffer */
361 int bufpos;
362 char buf[REDIS_REPLY_CHUNK_BYTES];
363 } redisClient;
364
365 struct saveparam {
366 time_t seconds;
367 int changes;
368 };
369
370 struct sharedObjectsStruct {
371 robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
372 *colon, *nullbulk, *nullmultibulk, *queued,
373 *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
374 *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
375 *masterdownerr, *roslaveerr,
376 *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
377 *unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
378 *select[REDIS_SHARED_SELECT_CMDS],
379 *integers[REDIS_SHARED_INTEGERS],
380 *mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
381 *bulkhdr[REDIS_SHARED_BULKHDR_LEN]; /* "$<value>\r\n" */
382 };
383
384 /* ZSETs use a specialized version of Skiplists */
385 typedef struct zskiplistNode {
386 robj *obj;
387 double score;
388 struct zskiplistNode *backward;
389 struct zskiplistLevel {
390 struct zskiplistNode *forward;
391 unsigned int span;
392 } level[];
393 } zskiplistNode;
394
395 typedef struct zskiplist {
396 struct zskiplistNode *header, *tail;
397 unsigned long length;
398 int level;
399 } zskiplist;
400
401 typedef struct zset {
402 dict *dict;
403 zskiplist *zsl;
404 } zset;
405
406 typedef struct clientBufferLimitsConfig {
407 unsigned long long hard_limit_bytes;
408 unsigned long long soft_limit_bytes;
409 time_t soft_limit_seconds;
410 } clientBufferLimitsConfig;
411
412 /* The redisOp structure defines a Redis Operation, that is an instance of
413 * a command with an argument vector, database ID, propagation target
414 * (REDIS_PROPAGATE_*), and command pointer.
415 *
416 * Currently only used to additionally propagate more commands to AOF/Replication
417 * after the propagation of the executed command. */
418 typedef struct redisOp {
419 robj **argv;
420 int argc, dbid, target;
421 struct redisCommand *cmd;
422 } redisOp;
423
424 /* Defines an array of Redis operations. There is an API to add to this
425 * structure in a easy way.
426 *
427 * redisOpArrayInit();
428 * redisOpArrayAppend();
429 * redisOpArrayFree();
430 */
431 typedef struct redisOpArray {
432 redisOp *ops;
433 int numops;
434 } redisOpArray;
435
436 /*-----------------------------------------------------------------------------
437 * Global server state
438 *----------------------------------------------------------------------------*/
439
440 struct redisServer {
441 /* General */
442 redisDb *db;
443 dict *commands; /* Command table hahs table */
444 aeEventLoop *el;
445 unsigned lruclock:22; /* Clock incrementing every minute, for LRU */
446 unsigned lruclock_padding:10;
447 int shutdown_asap; /* SHUTDOWN needed ASAP */
448 int activerehashing; /* Incremental rehash in serverCron() */
449 char *requirepass; /* Pass for AUTH command, or NULL */
450 char *pidfile; /* PID file path */
451 int arch_bits; /* 32 or 64 depending on sizeof(long) */
452 int cronloops; /* Number of times the cron function run */
453 char runid[REDIS_RUN_ID_SIZE+1]; /* ID always different at every exec. */
454 /* Networking */
455 int port; /* TCP listening port */
456 char *bindaddr; /* Bind address or NULL */
457 char *unixsocket; /* UNIX socket path */
458 mode_t unixsocketperm; /* UNIX socket permission */
459 int ipfd; /* TCP socket file descriptor */
460 int sofd; /* Unix socket file descriptor */
461 list *clients; /* List of active clients */
462 list *clients_to_close; /* Clients to close asynchronously */
463 list *slaves, *monitors; /* List of slaves and MONITORs */
464 redisClient *current_client; /* Current client, only used on crash report */
465 char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */
466 /* RDB / AOF loading information */
467 int loading; /* We are loading data from disk if true */
468 off_t loading_total_bytes;
469 off_t loading_loaded_bytes;
470 time_t loading_start_time;
471 /* Fast pointers to often looked up command */
472 struct redisCommand *delCommand, *multiCommand, *lpushCommand;
473 /* Fields used only for stats */
474 time_t stat_starttime; /* Server start time */
475 long long stat_numcommands; /* Number of processed commands */
476 long long stat_numconnections; /* Number of connections received */
477 long long stat_expiredkeys; /* Number of expired keys */
478 long long stat_evictedkeys; /* Number of evicted keys (maxmemory) */
479 long long stat_keyspace_hits; /* Number of successful lookups of keys */
480 long long stat_keyspace_misses; /* Number of failed lookups of keys */
481 size_t stat_peak_memory; /* Max used memory record */
482 long long stat_fork_time; /* Time needed to perform latets fork() */
483 long long stat_rejected_conn; /* Clients rejected because of maxclients */
484 list *slowlog; /* SLOWLOG list of commands */
485 long long slowlog_entry_id; /* SLOWLOG current entry ID */
486 long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */
487 unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */
488 /* The following two are used to track instantaneous "load" in terms
489 * of operations per second. */
490 long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */
491 long long ops_sec_last_sample_ops; /* numcommands in last sample */
492 long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES];
493 int ops_sec_idx;
494 /* Configuration */
495 int verbosity; /* Loglevel in redis.conf */
496 int maxidletime; /* Client timeout in seconds */
497 size_t client_max_querybuf_len; /* Limit for client query buffer length */
498 int dbnum; /* Total number of configured DBs */
499 int daemonize; /* True if running as a daemon */
500 clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_LIMIT_NUM_CLASSES];
501 /* AOF persistence */
502 int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */
503 int aof_fsync; /* Kind of fsync() policy */
504 char *aof_filename; /* Name of the AOF file */
505 int aof_no_fsync_on_rewrite; /* Don't fsync if a rewrite is in prog. */
506 int aof_rewrite_perc; /* Rewrite AOF if % growth is > M and... */
507 off_t aof_rewrite_min_size; /* the AOF file is at least N bytes. */
508 off_t aof_rewrite_base_size; /* AOF size on latest startup or rewrite. */
509 off_t aof_current_size; /* AOF current size. */
510 int aof_rewrite_scheduled; /* Rewrite once BGSAVE terminates. */
511 pid_t aof_child_pid; /* PID if rewriting process */
512 list *aof_rewrite_buf_blocks; /* Hold changes during an AOF rewrite. */
513 sds aof_buf; /* AOF buffer, written before entering the event loop */
514 int aof_fd; /* File descriptor of currently selected AOF file */
515 int aof_selected_db; /* Currently selected DB in AOF */
516 time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */
517 time_t aof_last_fsync; /* UNIX time of last fsync() */
518 time_t aof_rewrite_time_last; /* Time used by last AOF rewrite run. */
519 time_t aof_rewrite_time_start; /* Current AOF rewrite start time. */
520 unsigned long aof_delayed_fsync; /* delayed AOF fsync() counter */
521 /* RDB persistence */
522 long long dirty; /* Changes to DB from the last save */
523 long long dirty_before_bgsave; /* Used to restore dirty on failed BGSAVE */
524 pid_t rdb_child_pid; /* PID of RDB saving child */
525 struct saveparam *saveparams; /* Save points array for RDB */
526 int saveparamslen; /* Number of saving points */
527 char *rdb_filename; /* Name of RDB file */
528 int rdb_compression; /* Use compression in RDB? */
529 int rdb_checksum; /* Use RDB checksum? */
530 time_t lastsave; /* Unix time of last save succeeede */
531 time_t rdb_save_time_last; /* Time used by last RDB save run. */
532 time_t rdb_save_time_start; /* Current RDB save start time. */
533 int lastbgsave_status; /* REDIS_OK or REDIS_ERR */
534 int stop_writes_on_bgsave_err; /* Don't allow writes if can't BGSAVE */
535 /* Propagation of commands in AOF / replication */
536 redisOpArray also_propagate; /* Additional command to propagate. */
537 /* Logging */
538 char *logfile; /* Path of log file */
539 int syslog_enabled; /* Is syslog enabled? */
540 char *syslog_ident; /* Syslog ident */
541 int syslog_facility; /* Syslog facility */
542 /* Slave specific fields */
543 char *masterauth; /* AUTH with this password with master */
544 char *masterhost; /* Hostname of master */
545 int masterport; /* Port of master */
546 int repl_ping_slave_period; /* Master pings the salve every N seconds */
547 int repl_timeout; /* Timeout after N seconds of master idle */
548 redisClient *master; /* Client that is master for this slave */
549 int repl_syncio_timeout; /* Timeout for synchronous I/O calls */
550 int repl_state; /* Replication status if the instance is a slave */
551 off_t repl_transfer_left; /* Bytes left reading .rdb */
552 int repl_transfer_s; /* Slave -> Master SYNC socket */
553 int repl_transfer_fd; /* Slave -> Master SYNC temp file descriptor */
554 char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */
555 time_t repl_transfer_lastio; /* Unix time of the latest read, for timeout */
556 int repl_serve_stale_data; /* Serve stale data when link is down? */
557 int repl_slave_ro; /* Slave is read only? */
558 time_t repl_down_since; /* Unix time at which link with master went down */
559 /* Limits */
560 unsigned int maxclients; /* Max number of simultaneous clients */
561 unsigned long long maxmemory; /* Max number of memory bytes to use */
562 int maxmemory_policy; /* Policy for key evition */
563 int maxmemory_samples; /* Pricision of random sampling */
564 /* Blocked clients */
565 unsigned int bpop_blocked_clients; /* Number of clients blocked by lists */
566 list *unblocked_clients; /* list of clients to unblock before next loop */
567 /* Sort parameters - qsort_r() is only available under BSD so we
568 * have to take this state global, in order to pass it to sortCompare() */
569 int sort_dontsort;
570 int sort_desc;
571 int sort_alpha;
572 int sort_bypattern;
573 /* Zip structure config, see redis.conf for more information */
574 size_t hash_max_ziplist_entries;
575 size_t hash_max_ziplist_value;
576 size_t list_max_ziplist_entries;
577 size_t list_max_ziplist_value;
578 size_t set_max_intset_entries;
579 size_t zset_max_ziplist_entries;
580 size_t zset_max_ziplist_value;
581 time_t unixtime; /* Unix time sampled every second. */
582 /* Pubsub */
583 dict *pubsub_channels; /* Map channels to list of subscribed clients */
584 list *pubsub_patterns; /* A list of pubsub_patterns */
585 /* Scripting */
586 lua_State *lua; /* The Lua interpreter. We use just one for all clients */
587 redisClient *lua_client; /* The "fake client" to query Redis from Lua */
588 redisClient *lua_caller; /* The client running EVAL right now, or NULL */
589 dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */
590 long long lua_time_limit; /* Script timeout in seconds */
591 long long lua_time_start; /* Start time of script */
592 int lua_write_dirty; /* True if a write command was called during the
593 execution of the current script. */
594 int lua_random_dirty; /* True if a random command was called during the
595 execution of the current script. */
596 int lua_timedout; /* True if we reached the time limit for script
597 execution. */
598 int lua_kill; /* Kill the script if true. */
599 /* Assert & bug reportign */
600 char *assert_failed;
601 char *assert_file;
602 int assert_line;
603 int bug_report_start; /* True if bug report header was already logged. */
604 int watchdog_period; /* Software watchdog period in ms. 0 = off */
605 };
606
607 typedef struct pubsubPattern {
608 redisClient *client;
609 robj *pattern;
610 } pubsubPattern;
611
612 typedef void redisCommandProc(redisClient *c);
613 typedef int *redisGetKeysProc(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags);
614 struct redisCommand {
615 char *name;
616 redisCommandProc *proc;
617 int arity;
618 char *sflags; /* Flags as string represenation, one char per flag. */
619 int flags; /* The actual flags, obtained from the 'sflags' field. */
620 /* Use a function to determine keys arguments in a command line. */
621 redisGetKeysProc *getkeys_proc;
622 /* What keys should be loaded in background when calling this command? */
623 int firstkey; /* The first argument that's a key (0 = no keys) */
624 int lastkey; /* THe last argument that's a key */
625 int keystep; /* The step between first and last key */
626 long long microseconds, calls;
627 };
628
629 struct redisFunctionSym {
630 char *name;
631 unsigned long pointer;
632 };
633
634 typedef struct _redisSortObject {
635 robj *obj;
636 union {
637 double score;
638 robj *cmpobj;
639 } u;
640 } redisSortObject;
641
642 typedef struct _redisSortOperation {
643 int type;
644 robj *pattern;
645 } redisSortOperation;
646
647 /* Structure to hold list iteration abstraction. */
648 typedef struct {
649 robj *subject;
650 unsigned char encoding;
651 unsigned char direction; /* Iteration direction */
652 unsigned char *zi;
653 listNode *ln;
654 } listTypeIterator;
655
656 /* Structure for an entry while iterating over a list. */
657 typedef struct {
658 listTypeIterator *li;
659 unsigned char *zi; /* Entry in ziplist */
660 listNode *ln; /* Entry in linked list */
661 } listTypeEntry;
662
663 /* Structure to hold set iteration abstraction. */
664 typedef struct {
665 robj *subject;
666 int encoding;
667 int ii; /* intset iterator */
668 dictIterator *di;
669 } setTypeIterator;
670
671 /* Structure to hold hash iteration abstration. Note that iteration over
672 * hashes involves both fields and values. Because it is possible that
673 * not both are required, store pointers in the iterator to avoid
674 * unnecessary memory allocation for fields/values. */
675 typedef struct {
676 robj *subject;
677 int encoding;
678
679 unsigned char *fptr, *vptr;
680
681 dictIterator *di;
682 dictEntry *de;
683 } hashTypeIterator;
684
685 #define REDIS_HASH_KEY 1
686 #define REDIS_HASH_VALUE 2
687
688 /*-----------------------------------------------------------------------------
689 * Extern declarations
690 *----------------------------------------------------------------------------*/
691
692 extern struct redisServer server;
693 extern struct sharedObjectsStruct shared;
694 extern dictType setDictType;
695 extern dictType zsetDictType;
696 extern dictType dbDictType;
697 extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
698 extern dictType hashDictType;
699
700 /*-----------------------------------------------------------------------------
701 * Functions prototypes
702 *----------------------------------------------------------------------------*/
703
704 /* Utils */
705 long long ustime(void);
706 long long mstime(void);
707 void getRandomHexChars(char *p, unsigned int len);
708 uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l);
709 void exitFromChild(int retcode);
710
711 /* networking.c -- Networking and Client related operations */
712 redisClient *createClient(int fd);
713 void closeTimedoutClients(void);
714 void freeClient(redisClient *c);
715 void resetClient(redisClient *c);
716 void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask);
717 void addReply(redisClient *c, robj *obj);
718 void *addDeferredMultiBulkLength(redisClient *c);
719 void setDeferredMultiBulkLength(redisClient *c, void *node, long length);
720 void addReplySds(redisClient *c, sds s);
721 void processInputBuffer(redisClient *c);
722 void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask);
723 void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask);
724 void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask);
725 void addReplyBulk(redisClient *c, robj *obj);
726 void addReplyBulkCString(redisClient *c, char *s);
727 void addReplyBulkCBuffer(redisClient *c, void *p, size_t len);
728 void addReplyBulkLongLong(redisClient *c, long long ll);
729 void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask);
730 void addReply(redisClient *c, robj *obj);
731 void addReplySds(redisClient *c, sds s);
732 void addReplyError(redisClient *c, char *err);
733 void addReplyStatus(redisClient *c, char *status);
734 void addReplyDouble(redisClient *c, double d);
735 void addReplyLongLong(redisClient *c, long long ll);
736 void addReplyMultiBulkLen(redisClient *c, long length);
737 void copyClientOutputBuffer(redisClient *dst, redisClient *src);
738 void *dupClientReplyValue(void *o);
739 void getClientsMaxBuffers(unsigned long *longest_output_list,
740 unsigned long *biggest_input_buffer);
741 sds getClientInfoString(redisClient *client);
742 sds getAllClientsInfoString(void);
743 void rewriteClientCommandVector(redisClient *c, int argc, ...);
744 void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
745 unsigned long getClientOutputBufferMemoryUsage(redisClient *c);
746 void freeClientsInAsyncFreeQueue(void);
747 void asyncCloseClientOnOutputBufferLimitReached(redisClient *c);
748 int getClientLimitClassByName(char *name);
749 char *getClientLimitClassName(int class);
750 void flushSlavesOutputBuffers(void);
751 void disconnectSlaves(void);
752
753 #ifdef __GNUC__
754 void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
755 __attribute__((format(printf, 2, 3)));
756 void addReplyStatusFormat(redisClient *c, const char *fmt, ...)
757 __attribute__((format(printf, 2, 3)));
758 #else
759 void addReplyErrorFormat(redisClient *c, const char *fmt, ...);
760 void addReplyStatusFormat(redisClient *c, const char *fmt, ...);
761 #endif
762
763 /* List data type */
764 void listTypeTryConversion(robj *subject, robj *value);
765 void listTypePush(robj *subject, robj *value, int where);
766 robj *listTypePop(robj *subject, int where);
767 unsigned long listTypeLength(robj *subject);
768 listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction);
769 void listTypeReleaseIterator(listTypeIterator *li);
770 int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
771 robj *listTypeGet(listTypeEntry *entry);
772 void listTypeInsert(listTypeEntry *entry, robj *value, int where);
773 int listTypeEqual(listTypeEntry *entry, robj *o);
774 void listTypeDelete(listTypeEntry *entry);
775 void listTypeConvert(robj *subject, int enc);
776 void unblockClientWaitingData(redisClient *c);
777 int handleClientsWaitingListPush(redisClient *c, robj *key, robj *ele);
778 void popGenericCommand(redisClient *c, int where);
779
780 /* MULTI/EXEC/WATCH... */
781 void unwatchAllKeys(redisClient *c);
782 void initClientMultiState(redisClient *c);
783 void freeClientMultiState(redisClient *c);
784 void queueMultiCommand(redisClient *c);
785 void touchWatchedKey(redisDb *db, robj *key);
786 void touchWatchedKeysOnFlush(int dbid);
787 void discardTransaction(redisClient *c);
788
789 /* Redis object implementation */
790 void decrRefCount(void *o);
791 void incrRefCount(robj *o);
792 robj *resetRefCount(robj *obj);
793 void freeStringObject(robj *o);
794 void freeListObject(robj *o);
795 void freeSetObject(robj *o);
796 void freeZsetObject(robj *o);
797 void freeHashObject(robj *o);
798 robj *createObject(int type, void *ptr);
799 robj *createStringObject(char *ptr, size_t len);
800 robj *dupStringObject(robj *o);
801 int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
802 robj *tryObjectEncoding(robj *o);
803 robj *getDecodedObject(robj *o);
804 size_t stringObjectLen(robj *o);
805 robj *createStringObjectFromLongLong(long long value);
806 robj *createStringObjectFromLongDouble(long double value);
807 robj *createListObject(void);
808 robj *createZiplistObject(void);
809 robj *createSetObject(void);
810 robj *createIntsetObject(void);
811 robj *createHashObject(void);
812 robj *createZsetObject(void);
813 robj *createZsetZiplistObject(void);
814 int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg);
815 int checkType(redisClient *c, robj *o, int type);
816 int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg);
817 int getDoubleFromObjectOrReply(redisClient *c, robj *o, double *target, const char *msg);
818 int getLongLongFromObject(robj *o, long long *target);
819 int getLongDoubleFromObject(robj *o, long double *target);
820 int getLongDoubleFromObjectOrReply(redisClient *c, robj *o, long double *target, const char *msg);
821 char *strEncoding(int encoding);
822 int compareStringObjects(robj *a, robj *b);
823 int equalStringObjects(robj *a, robj *b);
824 unsigned long estimateObjectIdleTime(robj *o);
825
826 /* Synchronous I/O with timeout */
827 ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout);
828 ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout);
829 ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout);
830
831 /* Replication */
832 void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc);
833 void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc);
834 void updateSlavesWaitingBgsave(int bgsaveerr);
835 void replicationCron(void);
836
837 /* Generic persistence functions */
838 void startLoading(FILE *fp);
839 void loadingProgress(off_t pos);
840 void stopLoading(void);
841
842 /* RDB persistence */
843 #include "rdb.h"
844
845 /* AOF persistence */
846 void flushAppendOnlyFile(int force);
847 void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc);
848 void aofRemoveTempFile(pid_t childpid);
849 int rewriteAppendOnlyFileBackground(void);
850 int loadAppendOnlyFile(char *filename);
851 void stopAppendOnly(void);
852 int startAppendOnly(void);
853 void backgroundRewriteDoneHandler(int exitcode, int bysignal);
854 void aofRewriteBufferReset(void);
855 unsigned long aofRewriteBufferSize(void);
856
857 /* Sorted sets data type */
858
859 /* Struct to hold a inclusive/exclusive range spec. */
860 typedef struct {
861 double min, max;
862 int minex, maxex; /* are min or max exclusive? */
863 } zrangespec;
864
865 zskiplist *zslCreate(void);
866 void zslFree(zskiplist *zsl);
867 zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj);
868 unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score);
869 int zslDelete(zskiplist *zsl, double score, robj *obj);
870 zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec range);
871 double zzlGetScore(unsigned char *sptr);
872 void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
873 void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
874 unsigned int zsetLength(robj *zobj);
875 void zsetConvert(robj *zobj, int encoding);
876
877 /* Core functions */
878 int freeMemoryIfNeeded(void);
879 int processCommand(redisClient *c);
880 void setupSignalHandlers(void);
881 struct redisCommand *lookupCommand(sds name);
882 struct redisCommand *lookupCommandByCString(char *s);
883 void call(redisClient *c, int flags);
884 void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int flags);
885 void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target);
886 int prepareForShutdown();
887 void redisLog(int level, const char *fmt, ...);
888 void redisLogRaw(int level, const char *msg);
889 void redisLogFromHandler(int level, const char *msg);
890 void usage();
891 void updateDictResizePolicy(void);
892 int htNeedsResize(dict *dict);
893 void oom(const char *msg);
894 void populateCommandTable(void);
895 void resetCommandTableStats(void);
896
897 /* Set data type */
898 robj *setTypeCreate(robj *value);
899 int setTypeAdd(robj *subject, robj *value);
900 int setTypeRemove(robj *subject, robj *value);
901 int setTypeIsMember(robj *subject, robj *value);
902 setTypeIterator *setTypeInitIterator(robj *subject);
903 void setTypeReleaseIterator(setTypeIterator *si);
904 int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele);
905 robj *setTypeNextObject(setTypeIterator *si);
906 int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele);
907 unsigned long setTypeSize(robj *subject);
908 void setTypeConvert(robj *subject, int enc);
909
910 /* Hash data type */
911 void hashTypeConvert(robj *o, int enc);
912 void hashTypeTryConversion(robj *subject, robj **argv, int start, int end);
913 void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2);
914 robj *hashTypeGetObject(robj *o, robj *key);
915 int hashTypeExists(robj *o, robj *key);
916 int hashTypeSet(robj *o, robj *key, robj *value);
917 int hashTypeDelete(robj *o, robj *key);
918 unsigned long hashTypeLength(robj *o);
919 hashTypeIterator *hashTypeInitIterator(robj *subject);
920 void hashTypeReleaseIterator(hashTypeIterator *hi);
921 int hashTypeNext(hashTypeIterator *hi);
922 void hashTypeCurrentFromZiplist(hashTypeIterator *hi, int what,
923 unsigned char **vstr,
924 unsigned int *vlen,
925 long long *vll);
926 void hashTypeCurrentFromHashTable(hashTypeIterator *hi, int what, robj **dst);
927 robj *hashTypeCurrentObject(hashTypeIterator *hi, int what);
928 robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key);
929
930 /* Pub / Sub */
931 int pubsubUnsubscribeAllChannels(redisClient *c, int notify);
932 int pubsubUnsubscribeAllPatterns(redisClient *c, int notify);
933 void freePubsubPattern(void *p);
934 int listMatchPubsubPattern(void *a, void *b);
935 int pubsubPublishMessage(robj *channel, robj *message);
936
937 /* Configuration */
938 void loadServerConfig(char *filename, char *options);
939 void appendServerSaveParams(time_t seconds, int changes);
940 void resetServerSaveParams();
941
942 /* db.c -- Keyspace access API */
943 int removeExpire(redisDb *db, robj *key);
944 void propagateExpire(redisDb *db, robj *key);
945 int expireIfNeeded(redisDb *db, robj *key);
946 long long getExpire(redisDb *db, robj *key);
947 void setExpire(redisDb *db, robj *key, long long when);
948 robj *lookupKey(redisDb *db, robj *key);
949 robj *lookupKeyRead(redisDb *db, robj *key);
950 robj *lookupKeyWrite(redisDb *db, robj *key);
951 robj *lookupKeyReadOrReply(redisClient *c, robj *key, robj *reply);
952 robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply);
953 void dbAdd(redisDb *db, robj *key, robj *val);
954 void dbOverwrite(redisDb *db, robj *key, robj *val);
955 void setKey(redisDb *db, robj *key, robj *val);
956 int dbExists(redisDb *db, robj *key);
957 robj *dbRandomKey(redisDb *db);
958 int dbDelete(redisDb *db, robj *key);
959 long long emptyDb();
960 int selectDb(redisClient *c, int id);
961 void signalModifiedKey(redisDb *db, robj *key);
962 void signalFlushedDb(int dbid);
963 unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
964
965 /* API to get key arguments from commands */
966 #define REDIS_GETKEYS_ALL 0
967 #define REDIS_GETKEYS_PRELOAD 1
968 int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags);
969 void getKeysFreeResult(int *result);
970 int *noPreloadGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
971 int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
972 int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
973
974 /* Scripting */
975 void scriptingInit(void);
976
977 /* Git SHA1 */
978 char *redisGitSHA1(void);
979 char *redisGitDirty(void);
980
981 /* Commands prototypes */
982 void authCommand(redisClient *c);
983 void pingCommand(redisClient *c);
984 void echoCommand(redisClient *c);
985 void setCommand(redisClient *c);
986 void setnxCommand(redisClient *c);
987 void setexCommand(redisClient *c);
988 void psetexCommand(redisClient *c);
989 void getCommand(redisClient *c);
990 void delCommand(redisClient *c);
991 void existsCommand(redisClient *c);
992 void setbitCommand(redisClient *c);
993 void getbitCommand(redisClient *c);
994 void setrangeCommand(redisClient *c);
995 void getrangeCommand(redisClient *c);
996 void incrCommand(redisClient *c);
997 void decrCommand(redisClient *c);
998 void incrbyCommand(redisClient *c);
999 void decrbyCommand(redisClient *c);
1000 void incrbyfloatCommand(redisClient *c);
1001 void selectCommand(redisClient *c);
1002 void randomkeyCommand(redisClient *c);
1003 void keysCommand(redisClient *c);
1004 void dbsizeCommand(redisClient *c);
1005 void lastsaveCommand(redisClient *c);
1006 void saveCommand(redisClient *c);
1007 void bgsaveCommand(redisClient *c);
1008 void bgrewriteaofCommand(redisClient *c);
1009 void shutdownCommand(redisClient *c);
1010 void moveCommand(redisClient *c);
1011 void renameCommand(redisClient *c);
1012 void renamenxCommand(redisClient *c);
1013 void lpushCommand(redisClient *c);
1014 void rpushCommand(redisClient *c);
1015 void lpushxCommand(redisClient *c);
1016 void rpushxCommand(redisClient *c);
1017 void linsertCommand(redisClient *c);
1018 void lpopCommand(redisClient *c);
1019 void rpopCommand(redisClient *c);
1020 void llenCommand(redisClient *c);
1021 void lindexCommand(redisClient *c);
1022 void lrangeCommand(redisClient *c);
1023 void ltrimCommand(redisClient *c);
1024 void typeCommand(redisClient *c);
1025 void lsetCommand(redisClient *c);
1026 void saddCommand(redisClient *c);
1027 void sremCommand(redisClient *c);
1028 void smoveCommand(redisClient *c);
1029 void sismemberCommand(redisClient *c);
1030 void scardCommand(redisClient *c);
1031 void spopCommand(redisClient *c);
1032 void srandmemberCommand(redisClient *c);
1033 void sinterCommand(redisClient *c);
1034 void sinterstoreCommand(redisClient *c);
1035 void sunionCommand(redisClient *c);
1036 void sunionstoreCommand(redisClient *c);
1037 void sdiffCommand(redisClient *c);
1038 void sdiffstoreCommand(redisClient *c);
1039 void syncCommand(redisClient *c);
1040 void flushdbCommand(redisClient *c);
1041 void flushallCommand(redisClient *c);
1042 void sortCommand(redisClient *c);
1043 void lremCommand(redisClient *c);
1044 void rpoplpushCommand(redisClient *c);
1045 void infoCommand(redisClient *c);
1046 void mgetCommand(redisClient *c);
1047 void monitorCommand(redisClient *c);
1048 void expireCommand(redisClient *c);
1049 void expireatCommand(redisClient *c);
1050 void pexpireCommand(redisClient *c);
1051 void pexpireatCommand(redisClient *c);
1052 void getsetCommand(redisClient *c);
1053 void ttlCommand(redisClient *c);
1054 void pttlCommand(redisClient *c);
1055 void persistCommand(redisClient *c);
1056 void slaveofCommand(redisClient *c);
1057 void debugCommand(redisClient *c);
1058 void msetCommand(redisClient *c);
1059 void msetnxCommand(redisClient *c);
1060 void zaddCommand(redisClient *c);
1061 void zincrbyCommand(redisClient *c);
1062 void zrangeCommand(redisClient *c);
1063 void zrangebyscoreCommand(redisClient *c);
1064 void zrevrangebyscoreCommand(redisClient *c);
1065 void zcountCommand(redisClient *c);
1066 void zrevrangeCommand(redisClient *c);
1067 void zcardCommand(redisClient *c);
1068 void zremCommand(redisClient *c);
1069 void zscoreCommand(redisClient *c);
1070 void zremrangebyscoreCommand(redisClient *c);
1071 void multiCommand(redisClient *c);
1072 void execCommand(redisClient *c);
1073 void discardCommand(redisClient *c);
1074 void blpopCommand(redisClient *c);
1075 void brpopCommand(redisClient *c);
1076 void brpoplpushCommand(redisClient *c);
1077 void appendCommand(redisClient *c);
1078 void strlenCommand(redisClient *c);
1079 void zrankCommand(redisClient *c);
1080 void zrevrankCommand(redisClient *c);
1081 void hsetCommand(redisClient *c);
1082 void hsetnxCommand(redisClient *c);
1083 void hgetCommand(redisClient *c);
1084 void hmsetCommand(redisClient *c);
1085 void hmgetCommand(redisClient *c);
1086 void hdelCommand(redisClient *c);
1087 void hlenCommand(redisClient *c);
1088 void zremrangebyrankCommand(redisClient *c);
1089 void zunionstoreCommand(redisClient *c);
1090 void zinterstoreCommand(redisClient *c);
1091 void hkeysCommand(redisClient *c);
1092 void hvalsCommand(redisClient *c);
1093 void hgetallCommand(redisClient *c);
1094 void hexistsCommand(redisClient *c);
1095 void configCommand(redisClient *c);
1096 void hincrbyCommand(redisClient *c);
1097 void hincrbyfloatCommand(redisClient *c);
1098 void subscribeCommand(redisClient *c);
1099 void unsubscribeCommand(redisClient *c);
1100 void psubscribeCommand(redisClient *c);
1101 void punsubscribeCommand(redisClient *c);
1102 void publishCommand(redisClient *c);
1103 void watchCommand(redisClient *c);
1104 void unwatchCommand(redisClient *c);
1105 void restoreCommand(redisClient *c);
1106 void migrateCommand(redisClient *c);
1107 void dumpCommand(redisClient *c);
1108 void objectCommand(redisClient *c);
1109 void clientCommand(redisClient *c);
1110 void evalCommand(redisClient *c);
1111 void evalShaCommand(redisClient *c);
1112 void scriptCommand(redisClient *c);
1113 void timeCommand(redisClient *c);
1114 void bitopCommand(redisClient *c);
1115 void bitcountCommand(redisClient *c);
1116 void replconfCommand(redisClient *c);
1117
1118 #if defined(__GNUC__)
1119 void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
1120 void free(void *ptr) __attribute__ ((deprecated));
1121 void *malloc(size_t size) __attribute__ ((deprecated));
1122 void *realloc(void *ptr, size_t size) __attribute__ ((deprecated));
1123 #endif
1124
1125 /* Debugging stuff */
1126 void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line);
1127 void _redisAssert(char *estr, char *file, int line);
1128 void _redisPanic(char *msg, char *file, int line);
1129 void bugReportStart(void);
1130 void redisLogObjectDebugInfo(robj *o);
1131 void sigsegvHandler(int sig, siginfo_t *info, void *secret);
1132 sds genRedisInfoString(char *section);
1133 void enableWatchdog(int period);
1134 void disableWatchdog(void);
1135 void watchdogScheduleSignal(int period);
1136 void redisLogHexDump(int level, char *descr, void *value, size_t len);
1137 #endif
Redis += OpenLDAP MDB